From: A novel LC–MS method using collagen marker peptides for species identification of glue applicable to samples with multiple animal origins
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
Identified species
Content (%)
#1
+
−
Cattle
65.3
Sheep
34.7
#2
62.4
37.6